How many years of comparable data are there for Tonga and Vietnam?

63 years are reported by both, from 1961 to 2023.

Where does this data come from?

Statizoid (derived), published as Waste — Emissions (CO2eq) from CH4 (AR5), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Tonga vs Vietnam: Waste — Emissions (CO2eq) from CH4 (AR5), per square kilometre

Tonga

0.0498 kt per square kilometre

in 2023

Vietnam

0.0505 kt per square kilometre

in 2023

Tonga rank

36th

Vietnam rank

35th

Waste — Emissions (CO2eq) from CH4 (AR5), per square kilometre over time

Tonga
Vietnam

How they compare

Vietnam currently reports 0.0505 kt per square kilometre against 0.0498 kt per square kilometre in Tonga, a difference of 0.0007 kt per square kilometre.

The two have swapped places 1 time across 63 shared years of data; in 1961 it was Tonga ahead.

Tonga ranks 36th and Vietnam ranks 35th of 186 countries.

Tonga has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade	Tonga	Vietnam	Difference	Ahead
1960s	0.0218 kt per square kilometre	0.0095 kt per square kilometre	0.0123 kt per square kilometre	Tonga
1970s	0.0295 kt per square kilometre	0.0107 kt per square kilometre	0.0188 kt per square kilometre	Tonga
1980s	0.0369 kt per square kilometre	0.0132 kt per square kilometre	0.0237 kt per square kilometre	Tonga
1990s	0.04 kt per square kilometre	0.0177 kt per square kilometre	0.0224 kt per square kilometre	Tonga
2000s	0.0433 kt per square kilometre	0.027 kt per square kilometre	0.0163 kt per square kilometre	Tonga
2010s	0.0465 kt per square kilometre	0.039 kt per square kilometre	0.0075 kt per square kilometre	Tonga
2020s	0.0493 kt per square kilometre	0.0482 kt per square kilometre	0.0011 kt per square kilometre	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher waste — emissions (co2eq) from ch4 (ar5), per square kilometre, Tonga or Vietnam?: Vietnam, at 0.0505 kt per square kilometre against 0.0498 kt per square kilometre in Tonga as of 2023.
What is the difference in waste — emissions (co2eq) from ch4 (ar5), per square kilometre between Tonga and Vietnam?: 0.0007 kt per square kilometre, with Vietnam ahead.
How many years of comparable data are there for Tonga and Vietnam?: 63 years are reported by both, from 1961 to 2023.
How do Tonga and Vietnam rank globally for waste — emissions (co2eq) from ch4 (ar5), per square kilometre?: Tonga ranks 36th and Vietnam ranks 35th of 186 countries.
Where does this data come from?: Statizoid (derived), published as Waste — Emissions (CO2eq) from CH4 (AR5), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Tonga vs Vietnam: Waste — Emissions (CO2eq) from CH4 (AR5), per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://climate.statizoid.com/compare/waste-emissions-co2eq-from-ch4-ar5-per-square-kilometre/tonga/viet-nam/

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<a href="https://climate.statizoid.com/compare/waste-emissions-co2eq-from-ch4-ar5-per-square-kilometre/tonga/viet-nam/">Tonga vs Vietnam: Waste — Emissions (CO2eq) from CH4 (AR5), per square kilometre</a> — Statizoid

About this data

Indicator: Waste — Emissions (CO2eq) from CH4 (AR5), per square kilometre
Unit: kt per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 187 places, 10,734 data points, 1961–2023
Last refreshed: 21 September 2026

Waste — Emissions (CO2eq) from CH4 (AR5) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.